diff --git a/src/apps/api/serializers/leaderboards.py b/src/apps/api/serializers/leaderboards.py
index 74aede7f5..2ab509898 100644
--- a/src/apps/api/serializers/leaderboards.py
+++ b/src/apps/api/serializers/leaderboards.py
@@ -123,6 +123,7 @@ class LeaderboardPhaseSerializer(serializers.ModelSerializer):
     submissions = serializers.SerializerMethodField(read_only=True)
     columns = serializers.SerializerMethodField()
     tasks = PhaseTaskInstanceSerializer(source='task_instances', many=True)
+    primary_index = serializers.SerializerMethodField()
 
     def get_columns(self, instance):
         columns = Column.objects.filter(leaderboard=instance.leaderboard, hidden=False)
@@ -131,6 +132,9 @@ def get_columns(self, instance):
         else:
             return ColumnSerializer(columns, many=len(columns) >= 1).data
 
+    def get_primary_index(self, instance):
+        return instance.leaderboard.primary_index
+
     class Meta:
         model = Phase
         fields = (
@@ -140,6 +144,7 @@ class Meta:
             'tasks',
             'leaderboard',
             'columns',
+            'primary_index',
         )
         depth = 1
 
diff --git a/src/apps/api/views/competitions.py b/src/apps/api/views/competitions.py
index 4dc0e4b30..e4f0695c2 100644
--- a/src/apps/api/views/competitions.py
+++ b/src/apps/api/views/competitions.py
@@ -553,6 +553,7 @@ def get_leaderboard(self, request, pk):
             'submissions': [],
             'tasks': [],
             'fact_sheet_keys': fact_sheet_keys or None,
+            'primary_index': query['leaderboard']['primary_index']
         }
         columns = [col for col in query['columns']]
         submissions_keys = {}
@@ -600,26 +601,40 @@ def get_leaderboard(self, request, pk):
                 })
             for score in submission['scores']:
 
+                # to check if a column is found
+                # this is useful because of `hidden` field
+                # if a column is hidden it will not be shown here so
+                # we will not return that score to the front-end
+                column_found = False
                 # default precision is set to 2
                 precision = 2
+                # default hidden is set to false
+                hidden = False
 
                 # loop over columns to find a column with the same index
                 # replace default precision with column precision
                 for col in columns:
                     if col["index"] == score["index"]:
                         precision = col["precision"]
+                        hidden = col["hidden"]
+                        column_found = True
                         break
 
                 tempScore = score
                 tempScore['task_id'] = submission['task']
                 # round the score to 'precision' decimal points
                 tempScore['score'] = str(round(float(tempScore["score"]), precision))
-                response['submissions'][submissions_keys[submission_key]]['scores'].append(tempScore)
+
+                # only add scores to the scores list
+                # if this column is found
+                # and
+                # column is not hidden
+                if column_found and not hidden:
+                    response['submissions'][submissions_keys[submission_key]]['scores'].append(tempScore)
 
         # put detailed results in its submission
         for k, v in submissions_keys.items():
             response['submissions'][v]['detailed_results'] = submission_detailed_results[k]
-        print(f"\n{response['submissions']}\n")
 
         for task in query['tasks']:
             # This can be used to rendered variable columns on each task
diff --git a/src/static/riot/competitions/detail/leaderboards.tag b/src/static/riot/competitions/detail/leaderboards.tag
index 7176cc213..6e27641c0 100644
--- a/src/static/riot/competitions/detail/leaderboards.tag
+++ b/src/static/riot/competitions/detail/leaderboards.tag
@@ -63,7 +63,7 @@
                 <a if="{column.title == 'Detailed Results'}" href="detailed_results/{get_detailed_result_submisison_id(column, submission)}" target="_blank" class="eye-icon-link">
                     <i class="icon grey eye eye-icon"></i>
                 </a>
-                <span if="{column.title != 'Detailed Results'}">{get_score(column, submission)}</span>
+                <span if="{column.title != 'Detailed Results'}" class="{bold_class(column, submission)}">{get_score(column, submission)}</span>
             </td>
            
            
@@ -81,6 +81,22 @@
         self.competition_id = null
         self.enable_detailed_results = false
 
+       
+        self.bold_class = function(column, submission){
+            // Return `text-bold` if submission has 
+            // more than one scores and score index  == leaderbaord.primary_index
+            // otherwise return empty string
+            return_class = '' // default class value
+            if(column.task_id != -1){ // factsheet check
+                if(submission.scores.length > 1){ // score length check
+                    let column_index = _.get(column, 'index')
+                    if(column_index === self.selected_leaderboard.primary_index){ // column index check
+                        return_class = 'text-bold'
+                    }
+                }
+            }
+            return return_class
+        }
         self.get_score = function(column, submission) {
             if(column.task_id === -1){
                 return _.get(submission, 'fact_sheet_answers[' + column.key + ']', 'n/a')
@@ -106,7 +122,6 @@
         self.filter_columns = () => {
             let search_key = self.refs.leaderboardFilter.value.toLowerCase()
             self.filtered_tasks = JSON.parse(JSON.stringify(self.selected_leaderboard.tasks))
-            console.log(self.filtered_tasks)
             if(search_key){
                 self.filtered_columns = []
                 for (const column of self.columns){
@@ -162,7 +177,6 @@
                             })
                             task.colWidth += 1
                         }
-                        console.log(task)
                     }
                     self.filter_columns()
                     $('#leaderboardTable').tablesort()
@@ -220,5 +234,7 @@
             top: 50%
             left: 50%
             transform: translate(-50%, -50%)
+        .text-bold
+            font-weight: bold
     </style>
 </leaderboards>